JP5890170B2 - 非接触電力伝送装置及び非接触電力伝送方法 - Google Patents
非接触電力伝送装置及び非接触電力伝送方法 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
- B60L53/126—Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
- H04B5/266—One coil at each side, e.g. with primary and secondary coils
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
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- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Description
図1は、実施の形態1における磁界共鳴型の非接触電力伝送装置の構成を示す模式断面図である。なお、図17に示した従来例の非接触電力伝送装置と同様の要素については、同一の参照番号を付して、説明の繰り返しを簡略化する。
図15は、実施の形態2における非接触電力伝送装置を示す断面図である。この非接触電力伝送装置は、化粧箱タイプ(オルゴール型とも言う)をした筐体17と、開閉自在の蓋18を備え、筐体17の下側の内部に送電装置1が保持され、蓋18に送電補助装置9が保持されている。送電装置1の上部に受電装置2を置く為の台座19が設けられ、その台座19上に受電装置2(例えば、携帯電話や補聴器など)を装着することができる。そして蓋18を閉じることにより、送電装置1と送電補助装置9の間に受電装置2が配置される。この形態で非接触電力伝送が行われる。
図16は、実施の形態3における非接触電力伝送装置を示す断面図である。図15の構成と同様の要素については、同一の参照番号を付して説明の繰り返しを省略する。
2 受電装置
3a、3b ループコイル
4a 送電コイル
4b 受電コイル
5 高周波電力ドライバー
6 交流電源
7 整流回路
8 充電池
9 送電補助装置
10、13 共振容量
11 補助コイル
12 調整用コンデンサ
12a 調整用可変コンデンサ
14 電波吸収体
15 受電空間
16 VNA
17、24 筐体
18、25 蓋
19 台座
20 制御回路
21 電磁シールド材
22 表示器
23 インターロック用突起
24a 空洞部
25 凹部
26 携帯電話
27 インターロック機構
Claims (13)
- 送電コイル及び共振容量により構成された送電共振器を有する送電装置と、
受電コイル及び共振容量により構成された受電共振器を有する受電装置とを備え、
前記送電コイルと前記受電コイルの間の作用を介して前記送電装置から前記受電装置へ電力を伝送する非接触電力伝送装置において、
補助コイル及び共振容量により構成された補助共振器を有する送電補助装置を更に備え、
前記送電補助装置と前記送電装置を互いに対向させて配置した状態で、前記送電コイルと前記補助コイルの間に、前記受電コイルを配置するための受電空間が形成され、
前記送電共振器と前記補助共振器が構成する送電側共振系の共振周波数ftが、前記受電共振器の共振周波数f2と一致するように、前記補助共振器の共振周波数f3が設定されていることを特徴とする非接触電力伝送装置。 - 前記送電コイルと前記受電コイルの間の磁界共鳴を介して前記送電装置から前記受電装置へ電力を伝送するように構成された請求項1記載の非接触電力伝送装置。
- 前記共振周波数ftが、低周波側の共振周波数ftLと高周波側の共振周波数ftHとの二つの共振周波数として現れる場合、前記共振周波数ftL、または、前記共振周波数ftHが、前記共振周波数f2と一致するように、前記共振周波数f3が設定されている請求項1記載の非接触電力伝送装置。
- 前記送電補助装置の前記共振容量として調整用可変コンデンサを設け、前記調整用可変コンデンサを調整することにより前記補助共振器の共振周波数f3が設定される請求項1記載の非接触電力伝送装置。
- 前記送電コイルの直径d1と、受電コイルの直径d2と、補助コイルの直径d3が、d1>d2、かつd2<d3の関係を満足する請求項1記載の非接触電力伝送装置。
- d1=d3、かつd1>d2の関係を満足する請求項5記載の非接触電力伝送装置。
- 前記送電コイルの中心軸と、前記補助コイルの中心軸と、前記受電コイルの中心軸が、同一軸上にある請求項5記載の非接触電力伝送装置。
- 前記送電共振器の共振周波数f1と、前記受電共振器の共振周波数f2と、前記補助共振器の共振周波数f3が、f1=f2<f3、またはf3<f1=f2の関係になるように設定された請求項1記載の非接触電力伝送装置。
- 前記送電共振器の共振周波数f1と、前記受電共振器の共振周波数f2と、前記補助共振器の共振周波数f3が、f2<f1=f3、またはf1=f3<f2の関係になるように設定された請求項1記載の非接触電力伝送装置。
- 前記送電装置及び前記送電補助装置を保持し、前記送電装置と前記送電補助装置の相互の位置関係を、前記受電空間が形成されるように設定することが可能な筐体を備え、
前記受電装置を前記受電空間に対して着脱可能に装着することが可能であり、
前記筐体に前記送電装置から前記受電装置への電力伝送状態を維持するためのインターロック機能を備え、
電力伝送時には、前記送電コイルと前記受電コイルの周囲が電磁シールドされた状態になるように前記インターロック機能により維持されている請求項1記載の非接触電力伝送装置。 - 前記筐体に開閉自在の蓋を備え、前記筐体の蓋が閉まった状態で、前記送電コイルから前記受電コイルへ電力伝送を行うように構成された請求項10記載の非接触電力伝送装置。
- 送電コイル及び共振容量により構成された送電共振器を有する送電装置と、受電コイル及び共振容量により構成された受電共振器を有する受電装置とを用い、前記送電コイルと前記受電コイルの間の作用を介して前記送電装置から前記受電装置へ電力を伝送する非接触電力伝送方法において、
補助コイル及び共振容量により構成された補助共振器を有する送電補助装置を更に用い、
前記送電補助装置を前記送電装置と対向させて配置して、前記送電コイルと前記補助コイルの間に受電空間を形成し、
前記送電共振器と前記補助共振器が構成する送電側共振系の共振周波数ftが、前記受電共振器の共振周波数f2と一致するように、前記補助共振器の共振周波数f3を設定して、
前記受電空間内に前記受電コイルを配置して電力伝送を行うことを特徴とする非接触電力伝送方法。 - 前記補助共振器を構成する共振容量として可変容量を用い、
前記受電空間内に前記受電コイルを配置して前記可変容量を調整することにより、電力伝送の効率を調整する請求項12に記載の非接触電力伝送方法。
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JP2011283803A JP5890170B2 (ja) | 2011-09-29 | 2011-12-26 | 非接触電力伝送装置及び非接触電力伝送方法 |
CN201210053172.6A CN103036317B (zh) | 2011-09-29 | 2012-03-02 | 非接触电力传送装置及非接触电力传送方法 |
EP12001521.9A EP2575264B1 (en) | 2011-09-29 | 2012-03-06 | Wireless power transfer device and wireless power transfer method |
US13/413,829 US9172436B2 (en) | 2011-09-29 | 2012-03-07 | Wireless power transfer device and wireless power transfer method |
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2011
- 2011-12-26 JP JP2011283803A patent/JP5890170B2/ja active Active
-
2012
- 2012-03-02 CN CN201210053172.6A patent/CN103036317B/zh not_active Expired - Fee Related
- 2012-03-06 EP EP12001521.9A patent/EP2575264B1/en not_active Not-in-force
- 2012-03-07 US US13/413,829 patent/US9172436B2/en active Active
Cited By (4)
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US11670449B2 (en) | 2018-04-19 | 2023-06-06 | General Electric Company | Receiver unit of a wireless power transfer system |
US11955274B2 (en) | 2018-04-19 | 2024-04-09 | General Electric Company | Receiver unit of a wireless power transfer system |
US12255011B2 (en) | 2018-04-19 | 2025-03-18 | Dolby Laboratories Inc. | Receiver unit of a wireless power transfer system |
TWI812700B (zh) * | 2018-09-07 | 2023-08-21 | 美商奇異電器公司 | 無線電力傳送系統之接收器單元、方法及整合式電子組件 |
Also Published As
Publication number | Publication date |
---|---|
US20130082535A1 (en) | 2013-04-04 |
CN103036317B (zh) | 2016-09-28 |
EP2575264B1 (en) | 2015-07-29 |
JP2013085436A (ja) | 2013-05-09 |
CN103036317A (zh) | 2013-04-10 |
EP2575264A1 (en) | 2013-04-03 |
US9172436B2 (en) | 2015-10-27 |
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